US Bridges

Vt 00009 Ml over Walloomsac River

Fair

Bennington County, Vermont · 0.6 MI E JCT US 7 · Structure no. 200010000602022

Built
1923
102 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
48 ft
1 main span
Daily traffic
9,100
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Vt 00009 Ml over Walloomsac River is a concrete tee beam carrying Vt 00009 Ml over Walloomsac River in Bennington County, Vermont. It was built in 1923, so it is 102 years old, older than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,100 vehicles a day, roughly 7% of them trucks, projected to reach 9,555 by 2028. The structure is 48 ft (14.6 m) long and 62 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesVt 00009 Ml
CrossesWalloomsac River
Location0.6 MI E JCT US 7
RouteState Highway 9
StateVermont
Coordinates42.87886, -73.18632
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length48 ft (14.6 m)
Longest span46 ft (14 m)
Deck width62 ft (18.9 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,100 (2018)
Projected traffic9,555 by 2028
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.1 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00009 Ml over Walloomsac River built?

It was built in 1923, making it 102 years old in 2025.

What condition is Vt 00009 Ml over Walloomsac River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Vt 00009 Ml over Walloomsac River carry?

About 9,100 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Vt 00009 Ml over Walloomsac River?

The structure is 48 ft (14.6 m) long with a longest span of 46 ft (14 m) and a deck 62 ft wide.

Who owns Vt 00009 Ml over Walloomsac River?

It is owned by the City or Municipal Highway Agency.